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Finding the Fourth Proportional to 11,810, 17,715 and 3,602

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Solution

The fourth proportional to 11,810, 17,715 and 3,602 is: 5,403

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810 : 17,715 = 3,602 : x
  2. Step 2: Convert to fraction form
    11,810/17,715 = 3,602/x
  3. Step 3: Cross multiply
    11,810x = 17,715 × 3,602
  4. Step 4: Simplify right side
    11,810x = 63,809,430
  5. Step 5: Solve for x
    x = 63,809,430/11,810
  6. Step 6: Final answer
    x = 5,403

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.